[1] Before the 2020 Nagorno-Karabakh War, it was the highest mountain of the breakaway Republic of Arstakh.

The mountain is formed by volcanic rocks dating to the Middle Jurassic.

Kirs is used as a toponymic term meaning "swollen hill, steep mountain".

[1] The mount is part of the geological Lachyn subzone, which is a narrow Jurassic rock with some Albian-Cenomanian transgressive mantle, over 70 km long, and 2-8 km wide.

The subzone is traced from the interfluve of the Pichanis and the Shalva in the northeast, to the left bank of the Araz in the southeast.